Determine whether is divisible by or by
Step 1 : Checking divisibility by
Divisibility by : A number is divisible by if its last ( unit’s )digit is
do not have at its unit's place . So , it is not divisible by
Step 2 : Checking divisibility by
Divisibility by : A number is divisible by if its last ( unit’s ) digit has or
has at its unit's place . So, it is divisible by
Hence , is divisible by but not divisible by